function a = of_nopt(x)
data_struct = load('data_nopt.mat');
prices = double(data_struct.prices);
segNP = double(data_struct.segNP);
nProducts = length(prices);
segQ = double(data_struct.segQ);
segScale = double(data_struct.segScale);
uniqSeg = double(data_struct.uniqSeg);
uniqSeg_size = size(uniqSeg);
nNewSegments = uniqSeg_size(1);
upMat = data_struct.upMat;
os = double(data_struct.os);
[y1,y2,~]=ind2sub(size(upMat),find(upMat));
u = zeros(nNewSegments,3+nProducts);
usub = zeros(nNewSegments,nProducts);
einpreis = uniqSeg(:,4);
for i = 1:nNewSegments
    u(i,:) = [uniqSeg(i,1)+1,y1(i),y2(i),os(uniqSeg(i,3)+1,:)];
    usub(i,:) = [os(uniqSeg(i,3)+1,:)];
    usub(i,y2(i)) = 0;
end
a = 0;
for i = 1:nNewSegments
    probs(i) = max(0,1-((exp(segNP(u(i,1)))+u(i,4)*exp(1/segScale(u(i,1))*(segQ(1,u(i,1))-prices(1)))...
            +u(i,5)*exp(1/segScale(u(i,1))*(segQ(2,u(i,1))-prices(2)))+u(i,6)*exp(1/segScale(u(i,1))*(segQ(3,u(i,1))-prices(3)))...
            +u(i,7)*exp(1/segScale(u(i,1))*(segQ(4,u(i,1))-prices(4)))+u(i,8)*exp(1/segScale(u(i,1))*(segQ(5,u(i,1))-prices(5)))...
            +u(i,9)*exp(1/segScale(u(i,1))*(segQ(6,u(i,1))-prices(6))))/...
            (exp(1/segScale(u(i,1))*(segQ(u(i,3),u(i,1))-einpreis(i)))+exp(segNP(u(i,1)))+usub(i,1)*exp(1/segScale(u(i,1))*(segQ(1,u(i,1))-prices(1)))...
            +usub(i,2)*exp(1/segScale(u(i,1))*(segQ(2,u(i,1))-prices(2)))+usub(i,3)*exp(1/segScale(u(i,1))*(segQ(3,u(i,1))-prices(3)))...
            +usub(i,4)*exp(1/segScale(u(i,1))*(segQ(4,u(i,1))-prices(4)))+usub(i,5)*exp(1/segScale(u(i,1))*(segQ(5,u(i,1))-prices(5)))...
            +usub(i,6)*exp(1/segScale(u(i,1))*(segQ(6,u(i,1))-prices(6))))));
end
if  nProducts == 6
    for i = 1:nNewSegments
        a = a-x(i)*(segScale(u(i,1))*(-reallog((exp(segNP(u(i,1)))+u(i,4)*exp(1/segScale(u(i,1))*(segQ(1,u(i,1))-prices(1)))...
            +u(i,5)*exp(1/segScale(u(i,1))*(segQ(2,u(i,1))-prices(2)))+u(i,6)*exp(1/segScale(u(i,1))*(segQ(3,u(i,1))-prices(3)))...
            +u(i,7)*exp(1/segScale(u(i,1))*(segQ(4,u(i,1))-prices(4)))+u(i,8)*exp(1/segScale(u(i,1))*(segQ(5,u(i,1))-prices(5)))...
            +u(i,9)*exp(1/segScale(u(i,1))*(segQ(6,u(i,1))-prices(6))))/(1-probs(i))...
            -(exp(segNP(u(i,1)))+usub(i,1)*exp(1/segScale(u(i,1))*(segQ(1,u(i,1))-prices(1)))...
            +usub(i,2)*exp(1/segScale(u(i,1))*(segQ(2,u(i,1))-prices(2)))+usub(i,3)*exp(1/segScale(u(i,1))*(segQ(3,u(i,1))-prices(3)))...
            +usub(i,4)*exp(1/segScale(u(i,1))*(segQ(4,u(i,1))-prices(4)))+usub(i,5)*exp(1/segScale(u(i,1))*(segQ(5,u(i,1))-prices(5)))...
            +usub(i,6)*exp(1/segScale(u(i,1))*(segQ(6,u(i,1))-prices(6))))...
            ))+segQ(u(i,3),u(i,1))-prices(u(i,2))); 
    end
end
end